Studdy vs DrPhos' Ionic Compounds
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Studdy
This AI-powered tutor assists students with homework by providing step-by-step explanations for math and science problems. It offers personalized tutoring, video tutorials, and practice problems to help improve understanding and grades.
- AI-powered step-by-step problem solver
- Photo scanning for homework problems
- Personalized 1:1 AI tutoring
- Video tutorials for complex topics
- Practice problem generation
- Graphing for visual understanding
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Studdy makes learning easy - Your Personal AI Tutor. Join over 500,000 students who've boosted their grades with Studdy Buddy - the friendliest, easiest, and most accurate AI Tutor. Having an AI Study Buddy improves test scores. The average Studdy user increased their GPA by 1.3 points last year! If you struggle with solving math and science homework problems, Studdy is made for you. Studdy's friendly AI Tutor breaks down and explains any homework problem in an easy to understand way. Ask questions on any step that confuses you. Your personalized AI Tutor will help you understand at your own pace. How Students Study with Studdy Buddy - Scan a photo of a problem - see the step by step explanation broken down in easy to understand way with the AI Solver - Watch video tutorials - understand complicated topics with custom video explanations - Get 1:1 tutoring - take a 1:1 lesson to go deep on any subject you need help with - Graph problems out to understand them visually and build a deeper foundation - Generate practice problems to help you study Popular High School Subjects on Studdy - Algebra, Geometry, Trigonometry, Precalculus, Calculus, Chemistry, Physics Popular College Subjects on Studdy - Calculus I, Calc II, Calc III, Multivariable Calculus, Differential Equations, Linear Algebra, Probability and Statistics Free Plan - Scan 5 problems a day - Supports every subject & grade - Unlimited tutoring through chat Studdy Plus (subscription*) - Unlimited scans & chat - Video Tutorials - 1:1 Lessons with AI Tutor - Generate extra practice problems - Increased accuracy *Pricing starts at US $6.99 / week (price may vary by region). Payment is charged to your Apple ID and subscriptions renew automatically unless canceled 24 hours before the end of the period. Manage or cancel anytime in App Store settings. Got questions or suggestions? - Email us at http://studdy.ai/contact - Terms of Service: https://studdy.ai/terms-of-service - Privacy Policy: http://studdy.ai/privacy-policy
DrPhos' Ionic Compounds
This app helps students learn and practice forming correct chemical formulas for ionic compounds. It supports a wide range of ions, including polyatomic ones, and dynamically generates formulas with proper subscripts and parentheses. It's designed to reinforce naming rules and charge balancing through an interactive interface.
- Extensive cation and anion list
- Support for polyatomic ions
- Real-time formula generation
- Subscript and parenthesis formatting
- Reinforces naming rules
- Charge balancing practice
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Master Ionic Compounds with Ease The Ionic Compound Builder helps students learn and practice forming correct chemical formulas using a wide range of cations and anions—including polyatomic ions. Simply select a cation and an anion, and the app dynamically generates the proper formula with correct subscripts and parentheses. Designed for high school and college chemistry students, this tool reinforces naming rules and charge balancing through an intuitive, interactive interface. Features: • Extensive built-in list of common cations and anions • Support for monoatomic and polyatomic ions • Real-time chemical formula generation • Proper use of subscripts and parentheses • Visual formatting to emphasize structure and charge Whether you’re learning ionic bonding for the first time or reviewing for an exam, this tool is an essential companion for mastering chemical formulas.
Screenshots
Verdict
The clearest difference is price: Studdy at Free against DrPhos' Ionic Compounds's $0.99. Studdy also leads on ratings volume (13K vs 8) and iOS requirement (15.0 vs 17.0). DrPhos' Ionic Compounds's advantage is review sentiment (100% vs 89%). On rating, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Studdy is free to download; DrPhos' Ionic Compounds costs $0.99 up front. Studdy sells 35 in-app purchases, starting at $1.99 per 7 days and DrPhos' Ionic Compounds sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for Studdy against 4.9 for DrPhos' Ionic Compounds. That said, the two scores are not equally well evidenced: Studdy has 13K ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 89% of Studdy's written reviews are positive against 100% of DrPhos' Ionic Compounds's.
Studdy ships an update every 10 days, DrPhos' Ionic Compounds every 3 weeks. The most recent releases landed on September 24, 2026 and June 2, 2026 respectively.
| Parameter | Studdy | DrPhos' Ionic Compounds |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.8 (13K ratings) | 4.9 (8 ratings) — better |
| Positive reviews | 89.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 13K — better | 8 |
| Update frequency | Every 10 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 64 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Studdy, LLC | Monte L Helm |
Customer experience
Studdy
DrPhos' Ionic Compounds
Bugs and requests
Studdy
Reported bugs
2 issues- Inconsistent performance across devices
- Freezing or crashing on certain devices
Requested features
3 requests- More free usage allowance
- Improved accuracy and reliability
- Enhanced user interface and navigation
DrPhos' Ionic Compounds
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Studdy
- Studdy Unlimited7 Days trial$1.997 Days
- Studdy Unlimited3 Days trial$1.997 Days
- Studdy Unlimited3 Days trial2 variants$4.997 Days
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- Studdy Unlimited3 Days trial$5.997 Days
- Studdy Unlimited7 Days trial2 variants$6.997 Days
- Studdy Unlimited3 Days trial2 variants$6.997 Days
- Studdy Unlimited$6.997 Days
- Power Monthly3 Days trial$9.991 Month
- Studdy Lite7 Days trial2 variants$9.991 Month
- Studdy Lite3 Days trial$9.991 Month
- Studdy Unlimited7 Days trial$9.991 Month
- Studdy Unlimited3 Days trial$9.991 Month
- Studdy Pro7 Days trial2 variants$14.991 Month
- Power Monthly3 Days trial$19.991 Month
- Studdy Unlimited7 Days trial3 variants$19.991 Month
- Studdy Unlimited3 Days trial2 variants$19.991 Month
- Studdy Unlimited7 Days trial$29.991 Month
- Studdy Unlimited3 Days trial$39.991 Year
- Power Annual3 Days trial$59.991 Year
- Studdy Lite7 Days trial2 variants$59.991 Year
- Studdy Unlimited7 Days trial2 variants$59.991 Year
- Studdy Lite3 Days trial$59.991 Year
- Studdy Unlimited3 Days trial2 variants$59.991 Year
- Studdy Unlimited7 Days trial$69.991 Year
- Studdy Unlimited3 Days trial$69.991 Year
- Studdy Pro3 Days trial$95.991 Year
- Studdy Unlimited3 Days trial2 variants$99.991 Year
- Studdy Unlimited7 Days trial2 variants$99.991 Year
- Studdy Unlimited3 Days trial2 variants$143.991 Year
- Studdy Unlimited7 Days trial2 variants$143.991 Year
- Studdy Unlimited7 Days trial2 variants$179.991 Year
- Studdy Unlimited3 Days trial$179.991 Year
- 5 Snaps Pack$0.99
- 10 Snaps Pack$0.99
- 30 Snaps Pack$4.99
DrPhos' Ionic Compounds
- Ionic Compound BuilderFree
- Science Calculator$0.99
- Significant Figures Counter$0.99
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- Quadratic Equation Solver$0.99
- Kinetics$0.99
- Molar Mass Calculator$0.99
- Naming Compounds$0.99
- Reaction Balancer$0.99
- Stoichiometry$0.99
- Solution Concentrations$0.99
- pH Calculator$0.99
Questions
Is Studdy free?
Is DrPhos' Ionic Compounds free?
Which has better reviews, Studdy or DrPhos' Ionic Compounds?
Do Studdy or DrPhos' Ionic Compounds have ads?
Which is updated more often, Studdy or DrPhos' Ionic Compounds?
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